package com.shihb.chapter07designpattern.observer

/**
 * Description:
 * Version:1.0.0
 *
 * @author shihb
 * @date 2020/10/4 10:34
 */
trait SubObserver {
  def registerObserver(obserber: Obserber)
  def removeObserver(obserber: Obserber)
  def notificationObserver()

}
